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Charge Liquid or Vapor?

Charging guidelines for different Refrigerants

(standard R- number / brand designation)

 Vapor or liquid                   Liquid only (drum inverted)

charging:                              charging:

134a/COLDMP                 401a/MP39

410a/AZ20                         401b/MP66

507/AZ50                         402a/HP80

11                                 402b/HP81

12                                 404a/HP62 (FX70)

22                                 408a/FX10

500/CARRENE 7                 409a/FX56

502                                 And all other blends

And all other pure

compounds

 

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